ES2428572T3 - Dispositivo de codificación de audio y método de codificación de audio - Google Patents

Dispositivo de codificación de audio y método de codificación de audio Download PDF

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Publication number
ES2428572T3
ES2428572T3 ES08776896T ES08776896T ES2428572T3 ES 2428572 T3 ES2428572 T3 ES 2428572T3 ES 08776896 T ES08776896 T ES 08776896T ES 08776896 T ES08776896 T ES 08776896T ES 2428572 T3 ES2428572 T3 ES 2428572T3
Authority
ES
Spain
Prior art keywords
section
search
pulses
values
pulse
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
ES08776896T
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English (en)
Spanish (es)
Inventor
Toshiyuki Morii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Panasonic Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Corp filed Critical Panasonic Corp
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Publication of ES2428572T3 publication Critical patent/ES2428572T3/es
Active legal-status Critical Current
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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • G10L19/107—Sparse pulse excitation, e.g. by using algebraic codebook
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L2019/0001—Codebooks
    • G10L2019/0013—Codebook search algorithms

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
ES08776896T 2007-07-27 2008-07-25 Dispositivo de codificación de audio y método de codificación de audio Active ES2428572T3 (es)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP2007196782 2007-07-27
JP2007196782 2007-07-27
JP2007260426 2007-10-03
JP2007260426 2007-10-03
JP2008007418 2008-01-16
JP2008007418 2008-01-16
PCT/JP2008/001999 WO2009016816A1 (ja) 2007-07-27 2008-07-25 音声符号化装置および音声符号化方法

Publications (1)

Publication Number Publication Date
ES2428572T3 true ES2428572T3 (es) 2013-11-08

Family

ID=40304060

Family Applications (1)

Application Number Title Priority Date Filing Date
ES08776896T Active ES2428572T3 (es) 2007-07-27 2008-07-25 Dispositivo de codificación de audio y método de codificación de audio

Country Status (9)

Country Link
US (1) US8620648B2 (ja)
EP (1) EP2172928B1 (ja)
JP (1) JP5388849B2 (ja)
KR (1) KR101369064B1 (ja)
CN (1) CN101765880B (ja)
AU (1) AU2008283697B2 (ja)
BR (1) BRPI0814129A2 (ja)
ES (1) ES2428572T3 (ja)
WO (1) WO2009016816A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103098128B (zh) * 2011-06-15 2014-06-18 松下电器产业株式会社 脉冲位置搜索装置、码本搜索装置及其方法
CN103377653B (zh) * 2012-04-20 2016-03-16 展讯通信（上海）有限公司 语音编码中代数码表的搜索方法及装置，语音编码方法
US10021130B2 (en) * 2015-09-28 2018-07-10 Verizon Patent And Licensing Inc. Network state information correlation to detect anomalous conditions
CN114023338B (zh) * 2020-07-17 2025-06-03 华为技术有限公司 多声道音频信号的编码方法和装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5701392A (en) 1990-02-23 1997-12-23 Universite De Sherbrooke Depth-first algebraic-codebook search for fast coding of speech
JP3285185B2 (ja) * 1995-06-16 2002-05-27 日本電信電話株式会社 音響信号符号化方法
JP3579276B2 (ja) * 1997-12-24 2004-10-20 株式会社東芝 音声符号化／復号化方法
US6385576B2 (en) 1997-12-24 2002-05-07 Kabushiki Kaisha Toshiba Speech encoding/decoding method using reduced subframe pulse positions having density related to pitch
CA2252170A1 (en) * 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
US7389227B2 (en) * 2000-01-14 2008-06-17 C & S Technology Co., Ltd. High-speed search method for LSP quantizer using split VQ and fixed codebook of G.729 speech encoder
JP3808270B2 (ja) * 2000-02-17 2006-08-09 三菱電機株式会社 音声符号化装置、音声復号化装置及び符号語配列方法
CA2327041A1 (en) * 2000-11-22 2002-05-22 Voiceage Corporation A method for indexing pulse positions and signs in algebraic codebooks for efficient coding of wideband signals
JP2002366199A (ja) * 2001-06-11 2002-12-20 Matsushita Electric Ind Co Ltd Ｃｅｌｐ型音声符号化装置
US7752052B2 (en) 2002-04-26 2010-07-06 Panasonic Corporation Scalable coder and decoder performing amplitude flattening for error spectrum estimation
JP3881946B2 (ja) * 2002-09-12 2007-02-14 松下電器産業株式会社 音響符号化装置及び音響符号化方法
KR100503414B1 (ko) * 2002-11-14 2005-07-22 한국전자통신연구원 고정 코드북의 집중 검색 방법 및 장치
JP3887598B2 (ja) * 2002-11-14 2007-02-28 松下電器産業株式会社 確率的符号帳の音源の符号化方法及び復号化方法
CA2457988A1 (en) * 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
US20050256702A1 (en) * 2004-05-13 2005-11-17 Ittiam Systems (P) Ltd. Algebraic codebook search implementation on processors with multiple data paths
JP4871501B2 (ja) * 2004-11-04 2012-02-08 パナソニック株式会社 ベクトル変換装置及びベクトル変換方法
SG123639A1 (en) * 2004-12-31 2006-07-26 St Microelectronics Asia A system and method for supporting dual speech codecs
CN100498934C (zh) * 2005-10-31 2009-06-10 连展科技(天津)有限公司 一种新型的快速固定码本搜索方法
CN101000768B (zh) * 2006-06-21 2010-12-08 北京工业大学 嵌入式语音编解码的方法及编解码器
RU2009136436A (ru) * 2007-03-02 2011-04-10 Панасоник Корпорэйшн (Jp) Кодирующее устройство и способ кодирования
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound

Also Published As

Publication number Publication date
US8620648B2 (en) 2013-12-31
AU2008283697A1 (en) 2009-02-05
US20100191526A1 (en) 2010-07-29
WO2009016816A1 (ja) 2009-02-05
KR101369064B1 (ko) 2014-02-28
KR20100049562A (ko) 2010-05-12
AU2008283697B2 (en) 2012-05-10
CN101765880B (zh) 2012-09-26
EP2172928A4 (en) 2011-07-13
BRPI0814129A2 (pt) 2015-02-03
JP5388849B2 (ja) 2014-01-15
EP2172928A1 (en) 2010-04-07
JPWO2009016816A1 (ja) 2010-10-14
EP2172928B1 (en) 2013-09-11
CN101765880A (zh) 2010-06-30

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